A Guide to understanding trusted distribution in trusted systems /
National Computer Security Center (U.S.)
[Fort George G. Meade, MD] : The Center ; [Washington, D.C.? : Supt. of Docs., U.S. G.P.O., distributor,
1988]
Cover title.
Shipping list no.: 89-576-P.
"15 December 1988."
Includes bibliographical references (p. 31).
Computers
Electronic data processing departments
Data protection